package com.bookmarket.service;

import com.bookmarket.entity.Btype;
import com.bookmarket.entity.Order_Book;

import java.util.List;

public interface HJHStatisticalService {

    //查询所有的大类型
    List<Btype> findAllBtype();

    //查询所有订单书本
    List<Order_Book> findAllOrder_Book();
}